build: Minimum CMake version required set for each file based on its contents

cmake/documentation.cmake

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.5)
 
 find_package(Doxygen REQUIRED)
 find_package(Sphinx REQUIRED)

cmake/metabench.cmake

@@ -8,7 +8,7 @@
 # benchmarks. For documentation, questions and other resources please
 # visit the home of the project at https://github.com/ldionne/metabench.
 
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.5)
 
 find_package(Ruby 2.1 QUIET)
 if(NOT RUBY_EXECUTABLE)

cmake/static_analysis.cmake

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 macro(enable_clang_tidy)
     find_program(clang_tidy_cmd NAMES "clang-tidy")

cmake/warnings.cmake

@@ -22,7 +22,7 @@
 
 # Based on https://github.com/lefticus/cpp_starter_project/blob/master/cmake/CompilerWarnings.cmake
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 # Configure compiler warning level
 function(set_warnings target)

docs/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 option(UNITS_BUILD_DOCS "Generate project documentation" ON)
 if(NOT UNITS_BUILD_DOCS)

example/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 function(add_example target)
     add_executable(${target} ${target}.cpp)

example/alternative_namespaces/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 function(add_example target)
     add_executable(${target}_alt ${target}.cpp)

test/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 add_subdirectory(unit_test/runtime)
 add_subdirectory(unit_test/static)

test/metabench/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.12)
 
 function(add_metabench_test target name erb_path range)
     metabench_add_dataset(${target} "${erb_path}" "${range}" NAME "${name}")

test/metabench/list/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 add_metabench_test(metabench.data.list.type_list.concepts_all "all concepts" type_list_concepts_all.cpp.erb "[3, 6, 9, 12, 15]")
 add_metabench_test(metabench.data.list.type_list.concepts_iface "concepts in interface" type_list_concepts_iface.cpp.erb "[3, 6, 9, 12, 15]")

test/metabench/make_dimension/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 add_metabench_test(metabench.data.make_dimension.no_concepts "no concepts" no_concepts.cpp.erb "[1, 2, 3, 4, 6, 8, 10]")
 add_metabench_test(metabench.data.make_dimension.concepts_iface "concepts iface" concepts_iface.cpp.erb "[1, 2, 3, 4, 6, 8, 10]")

test/metabench/ratio/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 add_metabench_test(metabench.data.ratio.create.std_ratio "std::ratio" create_std_ratio.cpp.erb "[1000, 2500, 5000, 7500, 10000]")
 add_metabench_test(metabench.data.ratio.create.ratio_type_constexpr "ratio with constexpr" create_ratio_type_constexpr.cpp.erb "[1000, 2500, 5000, 7500, 10000]")

test/unit_test/runtime/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 find_package(Catch2 CONFIG REQUIRED)
 

test/unit_test/static/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.2)
 
 add_library(unit_tests_static
     cgs_test.cpp

test_package/CMakeLists.txt

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.15)
 project(test_package)
 
 # enable package discovery based on the local configuration files